Tanita InnerScan Pro RD-953PRO Instruction Manual page 21

What Is Muscle Quality Score?
Muscle quality score indicates the "quality (state) of muscle" which changes according to factors such as age and fitness. The
muscles of young people or those who exercise regularly is normally in a good state, but the state of muscles deteriorates in elderly
people or those who do not get enough exercise. Inner Scan Dual Body Composition Analyzer uses 2 different frequencies to measure
Bioelectrical Impedance, these results are used to evaluate intracellularwater(ICW) and extracellular water(ECW) to determine the
muscle state using the Muscle Quality Score. Inside muscle fibers, there is protein and water. As muscle fibers grow as a result of
strength and conditioning exercise, muscle protein increases and consequently the ICW increases. Through understanding an
individual's ICW and ECW, Muscle Quality score can be calculated.
Muscle Quality Judgement Chart
Male 18 – 29
High 74 and higher
Average
49 – 73
Low
48 or less
Female 18 – 29
High 68 and higher
Average 48 – 67
Low 47 or less
*Muscle Quality Score may not be accurately evaluated if there are abnormalities in the state of body water, such as in the following conditions:
- If the body fatigued or swollen.
- If the person is dehydrated or suffering from reduced blood flow.
It is important to maintain a good balance
between muscle mass and quality.
Note:
More ★ indicates a better state of muscle.
(Max. ★★★★)
30s 40s
73 and higher 70 and higher
47 – 72 44 – 69
46 or less 43 or less
30s 40s
70 and higher 69 and higher
48 – 69 45 – 68
47 or less 44 or less
Balance Between Muscle Mass and Muscle Quality
Muscle
Quality
Judgement
(Applicable age 18 - 99)
50s 60s
64 and higher 56 and higher
39 – 63 33 – 55
38 or less 32 or less
50s 60s
67 and higher 61 and higher
41 – 66 34 – 60
40 or less 33 or less
★★
High
★★
Average
Low
Low
70s 80 and over
46 and higher 39 and higher
25 – 45
24 or less
70s 80 and over
54 and higher 50 and higher
26 – 53
25 or less
★★★
★★★
★ ★
Average
Muscle Mass Judgement
en
21 – 38
20 or less
22 – 49
21 or less
★★★★
★★★
★★
High
21